the gutless, bloated, and fried power supply hall of shame - Page 15

**Agent24** · 09-06-2012, 06:33 AM

Quote:

Originally Posted by c_hegge

I bet no one thought a Delta would ever end up on here, but today I have just that - a destroyed delta. THe fan was branded T&T (Thieves & Thugs ?) and it quit. ..... The cool part is, it still runs

Well, to be fair, it's a Delta, it still runs, it probably isn't gutless, and it was all the fault of the fan anyway.

Certainly bloated and fried though!

**tom66** · 09-06-2012, 01:19 PM

CapXon and Ltec would fail anyway... note the unbulged Taicon, those actually seem like OK caps, haven't seen any fail YET. It's less ambient temperature and more ripple current that kills crap caps.

**c_hegge** · 09-07-2012, 12:34 AM

I removed the caps today, and I got a photo with some better light. Now you can really see how bad the heat discolouration is

EDIT: I also took the failed fan apart, and I think there was more to this than just bad sleeve bearings. It looks like there was lots of rust around the magnet on the blade housing and on the motor

**Behemot** · 09-07-2012, 03:21 AM

Not nice, really. In some worse fans when sometimes the magnet tends to rub against motor I lubricate it with vaseline. Maybe if you will clean it you can as well use itfor conserving again corosion.

**c_hegge** · 09-07-2012, 04:26 AM

I probably won't worry. I have a few spare Yate Loon fans which are in much better condition, so I'll probably just replace it with one of them

EDIT: I probably should also add that the plastic washer which holds the blade housing to the motor crumbled when I took the fan apart.

**Agent24** · 09-07-2012, 05:32 AM

I wonder if the rust is what jammed it?

Looks like you forgot to desolder the leads of C103?

**Behemot** · 09-07-2012, 02:45 PM

Quote:

Originally Posted by Agent24

Looks like you forgot to desolder the leads of C103?

Oh bloody hell

**Pentium4** · 09-07-2012, 03:05 PM

R.I.P. to that Delta. That thing is SCORCHED!!!

**Wester547** · 09-07-2012, 03:10 PM

If that power supply lacks protection circuitry of any sort, that may be why it still works with bloated capacitors.

**c_hegge** · 09-07-2012, 04:18 PM

Quote:

Originally Posted by Agent24

Looks like you forgot to desolder the leads of C103?

That one really didn't want to come out (maybe due to the generous use of glue on that leg). The other leg broke was I was trying to bend and twist the cap out of there.

**Behemot** · 09-07-2012, 04:19 PM

Pliers?

**c_hegge** · 09-08-2012, 01:17 AM

^
Yes

itwentboom · 09-08-2012, 04:55 AM

There's me happily using my old Apple PowerBook 1400, then the next time I come to use it, nothing. So I open up the little brown brick (the official power supply) and was amazed to discover the destruction shown in the pik. I have no idea what caused it.

**ben7** · 09-08-2012, 06:12 AM

Quote:

Originally Posted by itwentboom

There's me happily using my old Apple PowerBook 1400, then the next time I come to use it, nothing. So I open up the little brown brick (the official power supply) and was amazed to discover the destruction shown in the pik. I have no idea what caused it.

Looks like a diode and two resistors burned.

**momaka** · 09-09-2012, 05:03 PM

Quote:

Originally Posted by c_hegge

I removed the caps today, and I got a photo with some better light. Now you can really see how bad the heat discolouration is

Wow! That really is the most toasty, well-done PSU PCB I've seen. I'm surprised the output choke didn't burn.

Quote:

Originally Posted by c_hegge

EDIT: I also took the failed fan apart, and I think there was more to this than just bad sleeve bearings. It looks like there was lots of rust around the magnet on the blade housing and on the motor

Not good.
Although likely salvageable if you cared enough to fix it. I would - extra spare junk fans for the random project never hurt. Sandpaper and a bit of oil is really all you need. When I find a fan that has started to get rust on the stator, I just lube it with machine oil.

**Behemot** · 09-09-2012, 05:17 PM

As I stated, I use vaseline, it is better I think. Oil just vaporizes or dries out due to absorption in dust. Vaseline is more durable I think and lubricates even full of dust.

**c_hegge** · 09-09-2012, 11:47 PM

I have a large box full of spare fans. I only ever keep really good fans nowadays.

kuzyatech · 09-10-2012, 08:40 PM

Here is an 8 years old Antec that was still running, though a bit unstable. Nice collection of toasted caps awaits:

**Behemot** · 09-10-2012, 08:56 PM

What model is that?? Looks like some very old topology.

**Agent24** · 09-10-2012, 09:25 PM

Looks pretty good apart from the Fuhjyyu crap

09-06-2012, 01:19 PM	#282
tom66 EVs Rule Join Date: Apr 2011 City & State: Leeds My Country: UK Line Voltage: 230Vac 50Hz I'm a: Professional Tech Posts: 32,373	Re: the gutless, bloated, and fried power supply hall of shame CapXon and Ltec would fail anyway... note the unbulged Taicon, those actually seem like OK caps, haven't seen any fail YET. It's less ambient temperature and more ripple current that kills crap caps. __________________ Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead! Free service manuals: http://www.toms-service-manuals.com/ -- 72 LED/LCD TVs, 5 monitors, 28 plasma TVs, and 2 AVR 6.1 amplifiers fixed! -- I repair Pioneer 9G Plasma Main Boards & KRP-M01 Media Receivers (PM me for info) 2 Pioneer KURO 9G, 12 Panasonic LCD/Plasma, 1 Sony LCD, 1 NEC Plasma, 2 Yamaha HTS, 5 Sharp LCDs, 5 Toshiba LCDs, 7 Philips Plasma/LCD, 1 Hitachi Plasma, 11 LG LCD/Plasma, 18 Samsung LED/LCD/Plasma, 1 Thomson Plasma, 1 Atec LCD, 1 Hanspree LCD, 1 Xerox LCD, 1 Harwa LCD, 2 Proview LCD, 2 Hyundai LCD, 1 "Onn" LCD, 1 Grundig LCD, 1 Dell LCD, 1 iiyama LCD, 1 Acer LED, 1 Logik LCD, 1 Baird (China) LCD, 6 Bush LCDs, 22 Vestel LCDs (Best->Worst)

09-07-2012, 03:21 AM	#284
Behemot Badcaps Veteran Join Date: Dec 2009 City & State: Prague, 50°4'52.22"N, 14°23'30.45"E My Country: CZ Line Voltage: 230 V/50 Hz I'm a: Knowledge Seeker Posts: 4,786	Re: the gutless, bloated, and fried power supply hall of shame Not nice, really. In some worse fans when sometimes the magnet tends to rub against motor I lubricate it with vaseline. Maybe if you will clean it you can as well use itfor conserving again corosion. __________________ Less jewellery, more gold into electrotech industry! Half of the computer problems is caused by bad contacts Exclusive caps, meters and more! Hardware Insights - power supply reviews and more!

09-07-2012, 04:26 AM	#285
c_hegge Badcaps Veteran Join Date: Sep 2009 City & State: North Coast, NSW My Country: Australia Line Voltage: 240V 50Hz I'm a: Professional Tech Posts: 5,051	Re: the gutless, bloated, and fried power supply hall of shame I probably won't worry. I have a few spare Yate Loon fans which are in much better condition, so I'll probably just replace it with one of them EDIT: I probably should also add that the plastic washer which holds the blade housing to the motor crumbled when I took the fan apart. Last edited by c_hegge; 09-07-2012 at 04:37 AM..

09-07-2012, 05:32 AM	#286
Agent24 I see dead caps Join Date: Oct 2007 City & State: Hiding inside a plated-through hole My Country: New Zealand Line Voltage: 230VAC 50Hz I'm a: Hobbyist Tech Posts: 4,700	Re: the gutless, bloated, and fried power supply hall of shame I wonder if the rust is what jammed it? Looks like you forgot to desolder the leads of C103?

09-07-2012, 03:05 PM	#288
Pentium4 CapXon Be Gone Join Date: Sep 2011 City & State: Idaho My Country: USA Line Voltage: 120VAC 60Hz I'm a: Hobbyist Tech Posts: 3,227	Re: the gutless, bloated, and fried power supply hall of shame R.I.P. to that Delta. That thing is SCORCHED!!!

09-07-2012, 03:10 PM	#289
Wester547 - Join Date: Nov 2011 City & State: CA. My Country: USA. Line Voltage: 120-125VAC 60Hz. I'm a: Knowledge Seeker Posts: 1,268	Re: the gutless, bloated, and fried power supply hall of shame If that power supply lacks protection circuitry of any sort, that may be why it still works with bloated capacitors.

09-07-2012, 04:19 PM	#291
Behemot Badcaps Veteran Join Date: Dec 2009 City & State: Prague, 50°4'52.22"N, 14°23'30.45"E My Country: CZ Line Voltage: 230 V/50 Hz I'm a: Knowledge Seeker Posts: 4,786	Re: the gutless, bloated, and fried power supply hall of shame Pliers?

09-08-2012, 01:17 AM	#292
c_hegge Badcaps Veteran Join Date: Sep 2009 City & State: North Coast, NSW My Country: Australia Line Voltage: 240V 50Hz I'm a: Professional Tech Posts: 5,051	Re: the gutless, bloated, and fried power supply hall of shame ^ Yes

09-09-2012, 05:17 PM	#296
Behemot Badcaps Veteran Join Date: Dec 2009 City & State: Prague, 50°4'52.22"N, 14°23'30.45"E My Country: CZ Line Voltage: 230 V/50 Hz I'm a: Knowledge Seeker Posts: 4,786	Re: the gutless, bloated, and fried power supply hall of shame As I stated, I use vaseline, it is better I think. Oil just vaporizes or dries out due to absorption in dust. Vaseline is more durable I think and lubricates even full of dust.

09-09-2012, 11:47 PM	#297
c_hegge Badcaps Veteran Join Date: Sep 2009 City & State: North Coast, NSW My Country: Australia Line Voltage: 240V 50Hz I'm a: Professional Tech Posts: 5,051	Re: the gutless, bloated, and fried power supply hall of shame I have a large box full of spare fans. I only ever keep really good fans nowadays.

09-10-2012, 08:56 PM	#299
Behemot Badcaps Veteran Join Date: Dec 2009 City & State: Prague, 50°4'52.22"N, 14°23'30.45"E My Country: CZ Line Voltage: 230 V/50 Hz I'm a: Knowledge Seeker Posts: 4,786	Re: the gutless, bloated, and fried power supply hall of shame What model is that?? Looks like some very old topology.

09-10-2012, 09:25 PM	#300
Agent24 I see dead caps Join Date: Oct 2007 City & State: Hiding inside a plated-through hole My Country: New Zealand Line Voltage: 230VAC 50Hz I'm a: Hobbyist Tech Posts: 4,700	Re: the gutless, bloated, and fried power supply hall of shame Looks pretty good apart from the Fuhjyyu crap